crypto: nx - Fixing SHA update bug

[cascardo/linux.git] / drivers / crypto / nx / nx.c

diff --git a/drivers/crypto/nx/nx.c b/drivers/crypto/nx/nx.c
index 4856f72..2e2529c 100644 (file)
--- a/drivers/crypto/nx/nx.c
+++ b/drivers/crypto/nx/nx.c
@@ -251,53 +251,6 @@ static long int trim_sg_list(struct nx_sg *sg,
        return oplen;
 }
 
-/**
- * nx_sha_build_sg_list - walk and build sg list to sha modes
- *                       using right bounds and limits.
- * @nx_ctx: NX crypto context for the lists we're building
- * @nx_sg: current sg list in or out list
- * @op_len: current op_len to be used in order to build a sg list
- * @nbytes:  number or bytes to be processed
- * @offset: buf offset
- * @mode: SHA256 or SHA512
- */
-int nx_sha_build_sg_list(struct nx_crypto_ctx *nx_ctx,
-                         struct nx_sg        *nx_in_outsg,
-                         s64                 *op_len,
-                         unsigned int        *nbytes,
-                         u8                  *offset,
-                         u32                 mode)
-{
-       unsigned int delta = 0;
-       unsigned int total = *nbytes;
-       struct nx_sg *nx_insg = nx_in_outsg;
-       unsigned int max_sg_len;
-
-       max_sg_len = min_t(u64, nx_ctx->ap->sglen,
-                       nx_driver.of.max_sg_len/sizeof(struct nx_sg));
-       max_sg_len = min_t(u64, max_sg_len,
-                       nx_ctx->ap->databytelen/NX_PAGE_SIZE);
-
-       *nbytes = min_t(u64, *nbytes, nx_ctx->ap->databytelen);
-       nx_insg = nx_build_sg_list(nx_insg, offset, nbytes, max_sg_len);
-
-       switch (mode) {
-       case NX_DS_SHA256:
-               if (*nbytes < total)
-                       delta = *nbytes - (*nbytes & ~(SHA256_BLOCK_SIZE - 1));
-               break;
-       case NX_DS_SHA512:
-               if (*nbytes < total)
-                       delta = *nbytes - (*nbytes & ~(SHA512_BLOCK_SIZE - 1));
-               break;
-       default:
-               return -EINVAL;
-       }
-       *op_len = trim_sg_list(nx_in_outsg, nx_insg, delta);
-
-       return 0;
-}
-
 /**
  * nx_build_sg_lists - walk the input scatterlists and build arrays of NX
  *                     scatterlists based on them.